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Idris, M. , Wahab, M. , Yusoff, N.. "The Significant Effect of Wudu’ and Zikr in the Controlling of Emotional Pressure Using Biofeedback Emwave Technique". World Academy of Science, Engineering and Technology, Open Science Index 124, International Journal of Psychological and Behavioral Sciences, (2017), 11(4), 849 - 855.